1. Division of Otorhinolaryngology, Department of Surgical Specialties, ASST Sette Laghi, Ospedale di Circolo e Fondazione Macchi, Varese, Italy

2. Division of Otorhinolaryngology, Department of Biotechnology and Life Sciences, University of Insubria-Varese, ASST Sette Laghi, Ospedale di Circolo e Fondazione Macchi, Varese, Italy

3. Department of Biotechnology and Life Sciences, Head and Neck Surgery & Forensic Dissection Research Center (HNS&FDRc), University of Insubria, Varese, Italy

4. Division of Otolaryngology and Head and Neck Surgery, European Institute of Oncology IRCCS, Milan, Italy

5. Division of Pathology, Department of Medicine and Surgery, University of Insubria, ASST Sette Laghi, Ospedale di Circolo e Fondazione Macchi, Varese, Italy